-4650domain: ZAppears in sequencesExpansion of chi(x) / phi(x^2) in powers of x where phi(), chi() are Ramanujan theta functions.at n=34A085261Numerators of coefficients of e^2 in the table of (2n)th du Bois Reymond constants.at n=20A085467G.f.: Sum_{n>=0} (x^n - 1)^n * x^n / (1-x)^(n+1).at n=31A243919